Defining new color constat for transparent color
Review URL: https://codereview.appspot.com/6901044

git-svn-id: http://skia.googlecode.com/svn/trunk@6696 2bbb7eff-a529-9590-31e7-b0007b416f81
diff --git a/tests/AnnotationTest.cpp b/tests/AnnotationTest.cpp
index 17da622..586525a 100644
--- a/tests/AnnotationTest.cpp
+++ b/tests/AnnotationTest.cpp
@@ -16,7 +16,7 @@
     SkBitmap bm;
     bm.setConfig(SkBitmap::kARGB_8888_Config, 10, 10);
     bm.allocPixels();
-    bm.eraseColor(0);
+    bm.eraseColor(SK_ColorTRANSPARENT);
 
     SkCanvas canvas(bm);
     SkRect r = SkRect::MakeWH(SkIntToScalar(10), SkIntToScalar(10));